The ambitious project Industrie 4.0 aims for nothing less than a "fourth industrial revolution", or more concretely, a stronger computerization of the classical industries, for instance production and automation. It is strongly related to the notion of the Industrial Internet. In the colloquium "A new security culture for Industry 4.0", experts from Engineering, Informatics, Law and Politics give insight into a topic currently highly debated in the German press called "Industrie 4.0" (Industry 4.0).